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Symphony of the Seas vs Harmony of the Seas

Symphony of the SeasHarmony of the Seas
Cruise lineRoyal CaribbeanRoyal Caribbean
Ship classOasis ClassOasis Class
Entered service2018 ●2016
Gross tonnage228,081 ●226,963
Guests5,518 (double occupancy)5,697 (double occupancy) ●
Crew2,2002,200
Guests per crew member2.51 ●2.59
Decks1818
Staterooms2,7592,856 ●
Length1,188 ft (362 m)1,188 ft (362 m)

● = higher (or, for guests per crew member, lower) of the two. Figures from each line's own source: Symphony of the Seas, Harmony of the Seas (accessed Oct 26, 2026).

Features only one ship lists

Symphony of the Seas: Escape room

From each ship's official fact sheet.

FAQ

Which is bigger, Symphony of the Seas or Harmony of the Seas?

Symphony of the Seas is the bigger ship: 228,081 gross tons vs 226,963, about 0% larger.

Which is newer, Symphony of the Seas or Harmony of the Seas?

Symphony of the Seas is newer (2018) than Harmony of the Seas (2016).

Which ship holds more passengers?

Symphony of the Seas: 5,518 (double occupancy). Harmony of the Seas: 5,697 (double occupancy).

Which ship has more crew per guest?

Symphony of the Seas has more crew per guest (2.51 guests per crew member vs 2.59), calculated from each line's published guest and crew figures.

More comparisons

Symphony of the Seas facts · Harmony of the Seas facts · Royal Caribbean ships